-69.98% is the change from 553 to 166
Calculation steps:
[( 166 - 553 ) ÷ 553] x 100 = -69.98%
Formula
Percentage change = [(166 - 553) / 553] x 100
Subtract the new number by the original number
166 - 553 = -387
-387 ÷ 553 = -0.6998191681735986
-0.6998191681735986 x 100 = -69.98%